バイオベース建設材料の循環性・環境影響・実現可能性に関する多基準評価
Multi-criteria assessment of bio-based construction on circularity, environmental impact and feasibility (原題)
N. C. Kayaçetin
🤖 gxceed AI 要約
日本語
EUグリーンディールとFit-for-55を背景に、建設業の脱炭素化には建材のエンボディドカーボン削減が不可欠である。本研究は、9R戦略やCircular Builtなどの既存枠組みを踏まえ、バイオベース建材（特にヘンプ系）を評価する多基準フレームワークを構築し、トルコの代表的なオフィスビルで従来材と比較した。その結果、ファサード材で環境影響を約50%削減できる可能性を示した。
English
This study develops a multi-criteria framework to assess bio-based building materials (notably hemp-based) for circularity, environmental impact, and feasibility, drawing on 9R strategies and tools like Circular Built. Applied to a representative office building in Türkiye, it compares conventional and bio-based materials at component and building levels, finding roughly 50% environmental impact reduction for façade materials.
Unofficial AI-generated summary based on the public title and abstract. Not an official translation.
📝 gxceed 編集解説 — Why this matters
日本のGX文脈において
日本でも建築物のライフサイクルCO2（LCA）やCASBEE、ZEB、木材利用促進法など、建材由来のエンボディドカーボン削減は政策課題であり、バイオベース建材の多基準評価手法は国内の建設脱炭素・循環経済政策に示唆を与える。
In the global GX context
As global disclosure frameworks (ISSB, CSRD, TCFD) increasingly demand Scope 3 and embodied carbon data, this paper offers a replicable multi-criteria method for evaluating bio-based materials, supporting transition finance and green building certification in emerging markets.
👥 読者別の含意
🔬研究者:バイオベース建材の循環性・環境影響・実現可能性を統合評価する多基準フレームワークの設計と適用事例を学べる。
🏢実務担当者:ファサード等でのバイオベース材採用による環境影響削減ポテンシャルと、評価ツールの実務利用可能性を把握できる。
🏛政策担当者:建設分野のエンボディドカーボン削減目標設定や循環経済政策の設計に、多基準評価の枠組みを参考にできる。
📄 Abstract（原文）
Over the past decade, the construction industry has increasingly prioritized climate neutrality. In line with this, the EU Green Deal and its ‘Fit-for-55’ legislative package aim to reduce total emissions by 55% by 2030. A major challenge in achieving this goal is addressing the embodied carbon of building materials, which arises from production, transportation, and end-of-life stages. Reaching such targets requires a fundamental shift from the current linear construction model toward a circular and low-carbon approach. This study aims to explore the potential of bio-based building materials as feasible low-carbon alternatives and evaluates their circularity, environmental impact and feasibility by using established assessment frameworks. The research is focused on hemp-based building materials that are applicable in Turkish context. First, circular strategies including the 9Rs (refuse, reduce, reuse, etc.) and adaptation of existing tools such as Circular Built, together with emerging bio-based construction materials are reviewed. Then, a multi-criteria evaluation framework is developed to assess bio-based materials and applied on hemp-based materials. The results include a comparison between conventional and bio-based materials at component and building-level by utilizing a representation office building in Türkiye. In the end, the findings display 50% environmental impact reduction for the façade materials.
🔗 Provenance — このレコードを発見したソース
- semanticscholar https://dergipark.org.tr/en/download/article-file/4895647first seen 2026-10-16 05:46:39 · last seen 2026-11-06 05:39:14
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